Join Date: May 2011
Location: Frederick MD.
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Haha, no problem.
I think I should clarify on my statement of "If it still has decent power and only white smokes occasionally I wouldn't get to worried about it".
The reason I say this is because if it's intermittent, and your not really feeling a miss, then it's going to be very hard to diagnose which injector it would be.
I would first start with checking fuel pressure just to make sure it's good. It probably is, because if you had low fuel pressure you'd have more issues the just the occasional smoke. But it's better to verify this then assume.
Then I would try and get someone to do an injector buzz test and make sure the electrical side is ok. If that passes, then have them do a cylinder contribution test. If it's not acting up at the time of the test it probably won't log you a cylinder fault.